CN114198393A

CN114198393A - Bearing of PCBN material

Info

Publication number: CN114198393A
Application number: CN202111508638.2A
Authority: CN
Inventors: 何元琼; 杨安均
Original assignee: Sichuan Xiongchen Technology Co ltd
Current assignee: Sichuan Xiongchen Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-18

Abstract

The invention discloses a PCBN bearing, which comprises an inner ring, a connecting table, an outer ring, a pressure reducing groove, a connecting block, a connecting thread, a bottom ring, a mounting ring, a first mounting groove, a first bearing block, a second mounting groove, a second bearing block, a third mounting groove, a third bearing block, a fourth mounting groove, a fourth bearing block, a fifth bearing block and a fifth mounting groove, wherein the connecting table is arranged on one side of the inner ring, and the outer ring is sleeved on the inner ring in a matching manner. The hardness is high, and the density is low, and then has alleviateed the weight of bearing, has improved the intensity of bearing.

Description

Bearing of PCBN material

Technical Field

The invention relates to the technical field of bearings, in particular to a bearing made of PCBN.

Background

The bearing is a part for fixing and reducing the load friction coefficient in the mechanical transmission process, is used for reducing the friction coefficient in the power transmission process and keeping the central position of a shaft when other parts move relatively on the shaft, is used for reducing the mechanical load friction coefficient of equipment in the transmission process, is a light and important part in the modern mechanical equipment, but most of the existing bearing materials are high-carbon steel, so that the production cost is increased, meanwhile, the mechanical processing performance is poor, the processing process is complex, and the difficulty in producing and processing the bearing is influenced, so that the design of the bearing made of the PCBN material is necessary.

Disclosure of Invention

The present invention is directed to a PCBN bearing, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bearing of PCBN material, includes the inner ring, connects platform, outer loop, decompression groove, connecting block, connecting thread and end ring, one side of inner ring sets up connects the platform, and the cooperation has cup jointed the outer loop on the inner ring, and one side that the platform was connected in keeping away from to the outer loop is provided with the connecting block, and has seted up connecting thread on the connecting block, and the connecting block has the end ring through threaded connection.

Preferably, the inner ring is sleeved with a mounting ring, the mounting ring is provided with a first mounting groove, a first bearing block is embedded in the first mounting groove, and the first bearing block is attached to the inner wall of the outer ring.

Preferably, a second mounting groove is formed in the connecting table, and a second bearing block is embedded in the second mounting groove.

Preferably, a third mounting groove is formed in the inner wall of the outer ring, a third bearing block is embedded in the third mounting groove, and the third bearing block is attached to the inner ring.

Preferably, the outer ring is provided with a first cylindrical groove and a second cylindrical groove respectively, a fourth mounting groove is formed in one side, close to the connecting table, of the outer ring, a fourth bearing block is embedded into the fourth mounting groove, and the fourth bearing block is attached to the connecting table.

Preferably, the outer ring is provided with a pressure reduction groove, one side of the outer ring is attached to the bottom ring, and the bottom ring is provided with a third cylindrical groove.

Preferably, a fifth mounting groove is uniformly formed in one side, far away from the connecting table, of the bottom ring, and a fifth bearing block is embedded in the fifth mounting groove.

Compared with the prior art, the invention has the beneficial effects that: this bearing of PCBN material, inner ring, connection platform, outer loop, end ring and collar all adopt the preparation of cubic boron carbide complex body to form, the machining property of cubic boron carbide complex body is good, can be used to non ferrous metal processing, the technology performance is convenient for accomplish, need not to use complicated technology can accomplish the course of working of part, the technology degree of difficulty of processing production has been reduced, and then the manufacturing cost of bearing has been reduced, the heat resistance of manufacturing back bearing is strong simultaneously, the hardness is high, and low density, and then the weight of bearing has been alleviateed, the intensity of bearing has been improved.

Drawings

FIG. 1 is a three-dimensional view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

FIG. 4 is a left side view of a portion of the structure of the present invention;

FIG. 5 is an exploded view of the overall structure of the present invention;

FIG. 6 is a partial enlarged view of the area B in FIG. 5;

FIG. 7 is an enlarged view of a portion of the area C in FIG. 5;

FIG. 8 is an enlarged view of a portion of the area D in FIG. 5;

in the figure: 1. an inner ring; 2. a connecting table; 3. an outer ring; 4. a pressure reducing tank; 5. connecting blocks; 6. connecting threads; 7. a bottom ring; 8. a mounting ring; 9. a first mounting groove; 10. a first bearing block; 11. a second mounting groove; 12. a second bearing block; 13. a third mounting groove; 14. a third bearing block; 15. a first cylindrical groove; 16. a second cylindrical groove; 17. a fourth mounting groove; 18. a fourth bearing block; 19. a fifth bearing block; 20. a third cylindrical groove; 21. and a fifth mounting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention: a bearing made of PCBN materials comprises an inner ring 1, a connecting platform 2, an outer ring 3, a pressure reducing groove 4, a connecting block 5, connecting threads 6 and a bottom ring 7, wherein the connecting platform 2 is arranged on one side of the inner ring 1, the outer ring 3 is sleeved on the inner ring 1 in a matched mode, the connecting block 5 is arranged on one side, away from the connecting platform 2, of the outer ring 3, the connecting threads 6 are formed in the connecting block 5, the connecting block 5 is connected with the bottom ring 7 through threads, a mounting ring 8 is sleeved on the inner ring 1, a first mounting groove 9 is formed in the mounting ring 8, a first bearing block 10 is embedded in the first mounting groove 9, the first bearing block 10 is attached to the inner wall of the outer ring 3, the first mounting groove 9 is used for facilitating fixed mounting of the first bearing block 10, a second mounting groove 11 is formed in the connecting platform 2, a second bearing block 12 is embedded in the second mounting groove 11, and the second mounting groove 11 is formed, the second bearing block 12 is favorably fixedly installed, the inner wall of the outer ring 3 is provided with a third installation groove 13, a third bearing block 14 is embedded in the third installation groove 13, the third bearing block 14 is mutually attached to the inner ring 1, the third installation groove 13 is favorable for fixedly installing the third bearing block 14, the outer ring 3 is respectively provided with a first cylindrical groove 15 and a second cylindrical groove 16, a fourth installation groove 17 is arranged on one side of the outer ring 3 close to the connecting platform 2, a fourth bearing block 18 is embedded in the fourth installation groove 17, the fourth bearing block 18 is mutually attached to the connecting platform 2, the fourth installation groove 17 is favorable for fixedly installing the fourth bearing block 18, the outer ring 3 is provided with a pressure reducing groove 4, one side of the outer ring 3 is mutually attached to the bottom ring 7, the bottom ring 7 is provided with a third cylindrical groove 20, and the pressure reducing groove 4 is formed, the bearing is beneficial to improving the compression resistance of the bearing, one side of the bottom ring 7, which is far away from the connecting table 2, is uniformly provided with a fifth mounting groove 21, a fifth bearing block 19 is embedded in the fifth mounting groove 21, the fifth bearing block 19 is mounted and limited through the fifth mounting groove 21, and the fifth bearing block 19 is prevented from deviating, so that the structural stability of the bearing is improved, the inner ring 1, the connecting table 2, the outer ring 3, the bottom ring 7 and the mounting ring 8 are all prepared by adopting a cubic boron carbide complex, the cubic boron carbide complex has good machining performance and can be used for processing nonferrous metals, the process performance is convenient to complete, the processing process of parts can be completed without using a complex process, the process difficulty of processing and production is reduced, the production cost of the bearing is reduced, and the bearing is strong in heat resistance, high in hardness and low in density after being manufactured, so that the weight of the bearing is reduced, the strength of the bearing is improved.

The working principle is as follows: when the bearing is used, the first bearing block 10 is firstly embedded and installed in the first installation groove 9 on the inner ring 1, then the third bearing block 14 is embedded and installed in the third installation groove 13 on the outer ring 3, the fourth bearing block 18 is embedded and installed in the fourth installation groove 17 on the outer ring 3, then the outer ring 3 is matched and sleeved on the inner ring 1, the first bearing block 10 and the inner wall of the outer ring 3 are attached to each other, meanwhile, the third bearing block 14 and the outer wall of the inner ring 1 are attached to each other, meanwhile, the fourth bearing block 18 and the connecting table 2 are attached to each other, then, the second bearing block 12 is embedded and installed in the second installation groove 11 on the connecting table 2, then, the bottom ring 7 is fixed on the outer ring 3 through the connecting threads 6, and then, the fifth bearing block 19 is embedded and installed in the fifth installation groove 21, and the installation of the bearing is completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bearing of PCBN material, includes inner ring (1), connects platform (2), outer loop (3), decompression groove (4), connecting block (5), connecting thread (6) and end ring (7), its characterized in that: one side of inner ring (1) sets up connects platform (2), and outer ring (3) have been cup jointed in the cooperation on inner ring (1), and one side that connection platform (2) were kept away from in outer ring (3) is provided with connecting block (5), and has seted up connecting thread (6) on connecting block (5), and connecting block (5) have end ring (7) through threaded connection.

2. A PCBN bearing as claimed in claim 1, wherein: the mounting ring (8) is sleeved on the inner ring (1), a first mounting groove (9) is formed in the mounting ring (8), a first bearing block (10) is embedded in the first mounting groove (9), and the first bearing block (10) is attached to the inner wall of the outer ring (3).

3. A PCBN bearing as claimed in claim 1, wherein: a second mounting groove (11) is formed in the connecting table (2), and a second bearing block (12) is embedded in the second mounting groove (11).

4. A PCBN bearing as claimed in claim 1, wherein: the inner wall of the outer ring (3) is provided with a third mounting groove (13), a third bearing block (14) is embedded in the third mounting groove (13), and the third bearing block (14) is attached to the inner ring (1).

5. A PCBN bearing as claimed in claim 1, wherein: first cylinder groove (15) and second cylinder groove (16) have been seted up on outer ring (3) respectively, and fourth mounting groove (17) have been seted up to one side that outer ring (3) are close to and connect platform (2), and embedding is installed fourth bearing piece (18) in fourth mounting groove (17), and fourth bearing piece (18) and connect platform (2) and laminate each other.

6. A PCBN bearing as claimed in claim 1, wherein: the outer ring (3) is provided with a pressure reduction groove (4), one side of the outer ring (3) is attached to the bottom ring (7), and the bottom ring (7) is provided with a third cylindrical groove (20).

7. A PCBN bearing as claimed in claim 1, wherein: fifth mounting grooves (21) are uniformly formed in one side, far away from the connecting table (2), of the bottom ring (7), and fifth bearing blocks (19) are embedded in the fifth mounting grooves (21).